Dish Sees LightSquared at End of Tunnel

The pieces may be falling into place for Charlie Ergen's wireless spectrum puzzle.

On Friday, the Federal Communications Commission granted Mr. Ergen's Dish Network the ability to choose whether to convert a swath of its spectrum currently designated for uploading information to use for downloading.

Arcane though it may seem, that detail could be central to Dish's ability to use spectrum from LightSquared, if its $2.2 billion...